Base | Representation |
---|---|
bin | 111001000000111… |
… | …0101001000000001 |
3 | 11221022210122122120 |
4 | 1302001311020001 |
5 | 12404222113434 |
6 | 513455554453 |
7 | 65256634422 |
oct | 16201651001 |
9 | 4838718576 |
10 | 1913082369 |
11 | 8a1981110 |
12 | 45482ba29 |
13 | 246464403 |
14 | 142111649 |
15 | b2e44349 |
hex | 72075201 |
1913082369 has 32 divisors (see below), whose sum is σ = 2962967040. Its totient is φ = 1085088000.
The previous prime is 1913082359. The next prime is 1913082377. The reversal of 1913082369 is 9632803191.
It is not a de Polignac number, because 1913082369 - 25 = 1913082337 is a prime.
It is a super-2 number, since 2×19130823692 = 7319768301157304322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1913082369.
It is not an unprimeable number, because it can be changed into a prime (1913082349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90894 + ... + 109944.
It is an arithmetic number, because the mean of its divisors is an integer number (92592720).
Almost surely, 21913082369 is an apocalyptic number.
It is an amenable number.
1913082369 is a deficient number, since it is larger than the sum of its proper divisors (1049884671).
1913082369 is a wasteful number, since it uses less digits than its factorization.
1913082369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19261.
The product of its (nonzero) digits is 69984, while the sum is 42.
The square root of 1913082369 is about 43738.7970685066. The cubic root of 1913082369 is about 1241.3985194411.
The spelling of 1913082369 in words is "one billion, nine hundred thirteen million, eighty-two thousand, three hundred sixty-nine".
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